The Shimano Tourney MFTZ500 1434T MTB Freewheel Cassette is made for a 3x7 speed configuration It features a Megarange 7th cog adding a shifting range that will be especially valuable on downhill trails and flats where you want to turn up the watts It has a lightweight construction and easy assembly Key Features 1434T 14161820222434T 7speed HGUG chain compatible Steel construction Rust resistant Approx 550g weight

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